benzothiadiazole-4-sulphonyl chloride 、
1-[3-(methylamino)propyl]-1,5,7,8-tetrahydro-2H-thiopyrano[4,3-d]pyrimidine-2,4(3H)-dione hydrochloride 在
吡啶 、
三乙胺 作用下,
以39%的产率得到N-[3-(2,4-Dioxo-3,4,7,8-tetrahydro-2H-thiopyran[4,3-d]pyrimidin-1(5H)-yl)propyl]-N-methyl-2,1,3-benzothiadiazole-4-sulphonamide